WebFeb 23, 2024 · Paul Kelsey. 6 subscribers. Trying to diagnose this port noise. I’m new to ported boxes but I believe this is port chuffing. Some of the rattling maybe my truck I bought this so called custom ... WebMar 26, 2006 · Forum Rules The Golden Rule: Treat others as you would want to be treated.. Technical Support: The best way to get tech support for serious issues is to call or email …
Barefaced Bass - The mysteries of ports
WebMay 5, 2013 · As more and more port area is blocked, the air velocity in the port starts to go up and eventually it starts to make chuffing noise on the low notes. I got it to that point and then rounded over the ends of the foam to create a flared port which eliminated the chuffing. The end result is the cab sounds tighter now but still has plenty of bass. WebJan 31, 2024 · The chuffing is the due to the port size/velocity of air around the tune frequency. Port Flares can help or a larger area port can help reduce it as well but this is … ct4n bus timetable
Port Flares - Evaluation of noise - subwoofer builder
WebJan 30, 2015 · The commercial built one has better port flares/shapes which can help allow higher air velocity before audible chuffing. B. The commercial built one has a lower actual box tuning frequency where there just isn't as much energy in the signal down where the port is doing the work. C. The commercial built one has some baked in high-passing or ... WebJul 10, 2024 · The SVS PB-16 is a very good and powerful sub, but like all ported designs, when asked to do too much, air being forced out the ports will produce an audible "chuffing" sound. Show more Show more... WebPutting a bend in a port tends to introduce unpredictable losses which reduce the port output and also lower the power level at which air noises due to turbulence (chuffing) will be heard. Size matters! The larger a cab, assuming a fixed port area, the shorter the port will be for the same tuning frequency. ear pain which doctor to see